mcs/ilasm/codegen/Types.cs

   1 // Types.cs
   2 // (C) Sergey Chaban (serge@wildwestsoftware.com)
   3
   4 using System;
   5 using System.Collections;
   6 using System.Reflection;
   7
   8 namespace Mono.ILASM {
   9
  10         public class Types {
  11
  12                 // maps default types to their library equivalents
  13                 private static Hashtable defaultTypes;
  14                 private static readonly object dummy;
  15                 private Hashtable userTypes;
  16
  17                 static Types ()
  18                 {
  19                         dummy = new Object ();
  20
  21                         defaultTypes = new Hashtable ();
  22                         Hashtable t = defaultTypes;
  23
  24                         t ["object"]  = Type.GetType ("System.Object");
  25                         t ["string"]  = Type.GetType ("System.String");
  26                         t ["char"]    = Type.GetType ("System.Char");
  27                         t ["void"]    = Type.GetType ("System.Void");
  28                         t ["bool"]    = Type.GetType ("System.Boolean");
  29                         t ["int8"]    = Type.GetType ("System.Byte");
  30                         t ["int16"]   = Type.GetType ("System.Int16");
  31                         t ["int32"]   = Type.GetType ("System.Int32");
  32                         t ["int64"]   = Type.GetType ("System.Int64");
  33                         t ["float32"] = Type.GetType ("System.Single");
  34                         t ["float64"] = Type.GetType ("System.Double");
  35                         t ["uint8"]   = Type.GetType ("System.SByte");
  36                         t ["uint16"]  = Type.GetType ("System.UInt16");
  37                         t ["uint32"]  = Type.GetType ("System.UInt32");
  38                         t ["uint64"]  = Type.GetType ("System.UInt64");
  39                 }
  40
  41
  42                 /// <summary>
  43                 /// </summary>
  44                 public Types ()
  45                 {
  46                 }
  47
  48
  49                 /// <summary>
  50                 /// </summary>
  51                 /// <param name="typeName"></param>
  52                 /// <returns></returns>
  53                 public Type Lookup (string typeName)
  54                 {
  55                         Type res = defaultTypes [typeName] as Type;
  56                         return res;
  57                 }
  58
  59
  60                 /// <summary>
  61                 /// </summary>
  62                 /// <param name="name"></param>
  63                 /// <param name="type"></param>
  64                 public void Add (string name, Type type)
  65                 {
  66                         if (defaultTypes.Contains (name)) return;
  67
  68                         if (userTypes == null) userTypes = new Hashtable ();
  69                         userTypes [name] = (type != null) ? type : dummy;
  70                 }
  71
  72
  73                 /// <summary>
  74                 /// </summary>
  75                 /// <param name="name"></param>
  76                 public void Add (string name){
  77                         Add (name, null);
  78                 }
  79
  80         }
  81 }
  82